Vents TwinFresh Comfo SA-50 User manual

USER’S MANUAL

TwinFresh Comfo SA-50

TwinFresh ComfoSA-50-2

TwinFresh ComfoSA1-50

TwinFresh Comfo SA1-50-2

SINGLE-ROOM REVERSIBLE VENTILATOR

Introduction

Use

Delivery set

Designation key

Technical parameters

Safety requirements

Design and operating logic

Mounting and set-up

Unit control

Connection to power mains

Maintenance

Storage and transportation rules

Manufacturing warranty

Acceptance certicate

Connection certicate

Warranty card

CONTENT

TwinFresh Comfo S-50

TECHNICAL PARAMETERS

INTRODUCTION

This user’s manual includes technical description, operation, installation and mounting guidelines, technical data for the single-room

reversible ventilator TwinFresh Comfo SA-50.

USE

The single-room ventilator TwinFresh Comfo SA-50 is designed to arrange permanent air exchange in ats, cottages, oces, hotels,

cafes and other residential and public premises.

The unit is equipped with a ceramic heat exchanger that provides extract air thermal energy utilization for warming up of supply air.

The total unit heat recovery eciency reaches 91%.

The unit is designed for through-the-wall mounting.

The unit telescopic structure makes it suitable for installation in the walls from 250 mm (9 13/16’’) up to 470 mm (18 7/16”) for the unit

TwinFresh Comfo SA-50 and from 120 mm (4 3/4’’) up to 470 mm (18 1/2”) for the unit TwinFresh Comfo SA-50-2.

The unit is rated for continuous operation always connected to power mains.

Transported medium must not contain any ammable or explosive mixtures, evaporation of chemicals, coarse dust, soot and oil

particles, sticky substances, brous materials, pathogens or any other harmful substances.

The unit is designed for operation at the ambient temperature from -20 °C (-4°F) up to +50 °C (+122 °F).

THE UNIT IS NOT INTENDED TO BE USED BY CHILDREN, PHYSICALLY OR MENTALLY DISABLED

PERSONS, PERSONS WITH SENSORY DISORDER, PERSONS WITH NO APPROPRIATE EXPERIENCE OR

EXPERTISE.

ONLY QUALIFIED EXPERTS ARE ALLOWED TO OPERATETHE UNIT AFTER APPROPRIATE INSTRUCTION

ABOUT ITS USE AND OPERATION.

INSTALL THE UNIT TO BE OUT OF REACH OF CHILDREN.

ventilator - 1 item;

fasteners - 1 item;

user’s manual - 1 item;

remote controller - 1 item;

lip seal - 1 item;

packing box - 1 item.

DESIGNATION KEY

The unit is designed for indoor application with the ambient temperature ranging from -20°C (-4 °F) up to +50°C (+122 °F) and relative

humidity up to 80%.

The unit must be grounded.

Ingress Protection (IP) rating from solid objects and liquids: IP 24.

The unit overall and connecting dimensions, external view, technical data are shown in g. 1, 2 and in table 1.

The unit design is regularly being improved, so some models can slightly dier from those ones described in this manual.

DELIVERY SET

TwinFresh Comfo SАX-50-Х

TwinFresh – single-room reversible ventilator

Unit designation

Designation of rectangular connecting duct

Air capacity [m

/h]

Outer box type

_ - metal hood

2 - tapered hood

Front panel type

_ - 125 M1 panel;

1 - 125 M1 panel + white glass + metal feet.

Fig. 1. TwinFresh Comfo SA-50 overall and connecting dimensions

470 (22 7/16") 203(8")

234 (9 3/16")

190 (7 1/2")

250 (9 13/16")

150 (5 7/8")

Speed I II III

Voltage 50-60 Hz [V] 1~100-230

Power [W] 4,01 4,80 7,30

Max. current [A] 0,025 0,031 0,048

Max. air capacity [m3/h] (CFM) 11 (6,5) 27 (15,9) 53 (31,2)

RPM [min-1] 655 1360 2225

Noise level, 3 m [dB(A)] (Sones) 19 (0,3) 22 (0,5) 29 (0,81)

Max. transporting air temperature [°C] / (°F) from -20 (-4 ) up to +50 (+122)

Heat recovery eciency up to 91%

Heat exchanger type Ceramics

Table 1. Main technical parameters

General view and overall dimensions of the single-room reversible ventilator TwinFresh Comfo SA-50 are shown in g. 1.

Fig. 2. TwinFresh Comfo SA-50-2 overall and connecting dimensions

190 (7 1/2")

225 (8 7/8")

470 (22 7/16")

120 (4 3/4")

363(14 5/16")

150 (5 7/8")

General view and overall dimensions of the single-room reversible ventilator TwinFresh Comfo SA-50-2 are shown in g. 2.

TwinFresh Comfo S-50

Fig. 3. Unit design and operating logic

The single-room ventilator consists of a metal telescopic duct, ventilating unit with a decorative grille and an outer box, g. 3.

The unit has a telescopic structure with adjustable length that is regulated by position of the air duct of smaller cross section inside

the air duct of larger cross section.

Two lters and the heat exchanger are installed inside of the inner telescopic duct. The heat exchanger provides utilization of thermal

energy contained in extract air for warming up of supply air.

The lters are installed on both sides of the heat exchanger, g. 3 for cleaning of supply air and prevention of foreign object ingress

to the heat exchanger.

Connect the ventilating unit with a decorative grille equipped with louvre shutters to the casing of the heat recovery block on inner

side of the premise.

Install the outer block or the plastic ventilation grille depending on the unit modication from outside to prevent direct ingress of

water and large objects to the unit.

Outer box

Sealing lip

Outer telescopic duct

Inner telescopic duct

Two lters

Ceramic heat exchanger

Ventilating unit with a decorative grille

SAFETY REQUIREMENTS

While operating and mounting the unit consider the requirements of the present operation manual as well as general requirements of

all applicable local and national building and electrical codes and standards.

Before connecting the unit to power mains make sure that the unit is free of any visible damages or any other foreign objects inside the

casing that can damage the impeller blades. Otherwise please contact the service centre.

WARNING!

THE UNIT IS NOT RATED FOR OPERATION IN THE EXPLOSIVE AND

FLAMMABLE ENVIRONMENT. TAKE MEASURES TO PREVENT AIR BACK

DRAFTING FROM GAS OR OPENFLAME DEVICES.

DESIGN AND OPERATING LOGIC

WARNING!

DISCONNECTTHE UNIT FROM POWER SUPPLY PRIORTO ANY MOUNTING,

SERVICING, CONNECTION OR REPAIR OPERATIONS WITH THE UNIT.

MOUNTING AND SETUP

The unit is designed for installation into a specially prepared hole inside a wall. The hole must be perpendicular to the wall plane, g.

Fig. 4. Unit mounting

Fill the slots with a mounting foam

Outside Inside

155

(6 1/8")

Prior to mounting prepare holes for the telescopic duct, the outer box and the ventilating unit. Install the telescopic duct in the hole

and ll the gaps between the duct and the wall with a mounting foam. For easy mounting keep the clearances between the duct and the

wall within 5-10 mm (3/16’’-3/8’’). Fix the outer block according to the wall holes with four 4x35 screws included into delivery set and the

matching dowels 6x35.

Fix the air duct with smaller cross section to the wall with the screws 4x35 from the delivery set and the dowels 6x35. Then x the

ventilating unit to the latches. The hole spacing for fastening of the air duct with smaller cross section is shown in g. 5. The hole spacing

for the outer boxes fastening is shown in g. 6.

Fig. 5. Hole spacing for fastening of the ventilating unit

155

(6 1/8")

75,5

(3")

6 (1/4")

4 holes

Hole spacing for fastening of the air duct of smaller

cross section

155

(6 1/8")

TwinFresh Comfo S-50

Fig. 6. Hole spacing for fastening of the outer boxes

150

(5 7/8")

(2 15/16")

6 (1/4")

4 holes

(3 9/16")

180

(7 1/16")

Hole spacing for fastening of the outer suspended box for

TwinFresh Comfo SA-50

Hole spacing for fastening of the suspended outer box for

TwinFresh Comfo SA-50-2

155

(6 1/8")

270

(10 5/8")

135

(5 5/16")

6 (1/4")

4 holes

(3 3/4")

190

(7 1/2")

155

(6 1/8")

Fig. 7. Controls on the ventilating unit

Speed switches

Ventilation mode switch

UNIT CONTROL

The unit is controlled with a remote controller, g 8 or with the control buttons located on the ventilating unit casing, g. 7. The

control from the ventilating unit has limited possibilities. It enables solely activating the second and the third speed and setting three of

four available ventilation modes. The remote control has better control functionality.

Positions of the speed switch:

- second speed. The ventilator runs with 50% capacity.

- turn the fan o. The unit is o. The louvre shutters are closed.

- third speed. The unit operates with maximum air capacity.

Ventilation mode switch:

- Passive ventilation mode (louvre shutters are opened, fan does not operate).

- Heat recovery mode.

- Extract mode.

Fig. 8. Remote controller

Unit on/o Night mode

Heat recovery

Speed selection (3-2-1)

Passive ventilation

Air extract

Air supply at selected

speed

Setting humidity

threshold

TwinFresh Comfo S-50

Unit control with the buttons on the ventilating unit

To turn the ventilator on select one three ventilation modes and activate the second or the third speed.

To turn the ventilator o set the speed switch to the middle position .

Use the ventilation mode switch to change the ventilation mode, g. 7.

Remote control with a remote controller

In case of remote control set the switches on the ventilating unit to the middle position.

To turn the ventilator ON/OFF press the button .

Press the button to activate the Night mode, activation of the night mode is conrmed by a long sound signal. Press

the same button to deactivate the Night mode, deactivation is conrmed by a short sound signal. When Night mode is

activated, the unit is turned to the rst speed when the light is o.

Speed selection

First speed — .

Second speed — .

Third speed — .

Operation modes

To change to Passive ventilation mode press the button . In this mode ventilation is performed without a fan.

To change to Supply mode press the button . In this mode the ventilation is performed at selected speed.

To change to Extract mode (exhaust mode by default) press the button . In this mode air is extracted at selected speed.

To change to Heat Recovery mode press the button . In this mode the fan operates 70 seconds in Supply mode and then

switches to Extract mode. Heat recovery is performed in this mode.

Humidity control

Humidity control is possible only in Heat Recovery mode.

To set the humidity threshold press the following buttons:

— 45%;

— 55%;

— 65%.

If the indoor humidity exceeds the set point, the unit is switched to the third speed. If the indoor humidity is within ±5% of the set

point, the unit operates at the second speed. If indoor humidity is below the set point, the unit switches to minimum speed. Press any speed

selection button to deactivate the humidity control.

HUMIDITY CONTROL IS POSSIBLE ONLY FROM THE REMOTE CONTROLLER!

The unit is rated for connection to single-phase ac 1~100-230 V / 50-60 Hz power mains. For wireworks facilitation, the unit is supplied

with a pre-wired power cord and a plug.

Connect the unit to power mains through the external automatic circuit breaker with magnetic trip integrated into the xed wiring

system.

CONNECTION TO POWER MAINS

DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY OPERATIONS. CONNECT

THE UNIT TO A CORRECT INSTALLED AND GROUNDED SOCKET. THE RATED ELECTRICAL

PARAMETERS OF THE UNIT ARE SHOWN ON THE MANUFACTURING STICKER. ANY

INTERNALCONNECTIONMODIFICATIONSARENOTALLOWED AND RESULTINWARRANTY

LOSS.

Fig. 9. External connection diagram

Connection of external devices to the controller PCB

XS1

XS2

XS4

XS3

First unit controller

(MASTER)

TB3

TB1

TB2

Power cable

CN7

TB1, TB2, TB3 - terminal blocks for connection

CN7 - contact socket

XP1 - power plug

XP1

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